9122990 has 16 divisors (see below), whose sum is σ = 16951680. Its totient is φ = 3531360.

The previous prime is 9122989. The next prime is 9123013. The reversal of 9122990 is 992219.

9122990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14405 + ... + 15024.

It is an arithmetic number, because the mean of its divisors is an integer number (1059480).

Almost surely, 2^9122990 is an apocalyptic number.

9122990 is a deficient number, since it is larger than the sum of its proper divisors (7828690).

9122990 is a wasteful number, since it uses less digits than its factorization.

9122990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29467.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 9122990 is about 3020.4287775083. The cubic root of 9122990 is about 208.9516153649.

It can be divided in two parts, 91229 and 90, that added together give a palindrome (91319).

The spelling of 9122990 in words is "nine million, one hundred twenty-two thousand, nine hundred ninety".